![Long-awaited Apple Watch tracks heart rate, activity, calories burned, but not sleep | MobiHealthNews Long-awaited Apple Watch tracks heart rate, activity, calories burned, but not sleep | MobiHealthNews](https://www.mobihealthnews.com/sites/default/files/wp-content/uploads/2014/09/Apple-fitness-app.jpg)
Long-awaited Apple Watch tracks heart rate, activity, calories burned, but not sleep | MobiHealthNews
![Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/ (Product) RED Aluminum Case with (Product) RED Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/ (Product) RED Aluminum Case with (Product) RED Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant :](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71QR6f6Az6L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/ (Product) RED Aluminum Case with (Product) RED Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant :
![Apple Watch Series 7 [GPS + Cellular 45mm] Smart Watch w/ Silver Stainless Steel Case with Starlight Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant Apple Watch Series 7 [GPS + Cellular 45mm] Smart Watch w/ Silver Stainless Steel Case with Starlight Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71p1EMtYnvL._AC_UF1000,1000_QL80_.jpg)